| MT | Reaction | 0.0253-eV | Maxwellian Average |
g-factor | Resonance Integral |
14-MeV | Fiss. Spec. Average |
|---|---|---|---|---|---|---|---|
| 1 | (n,total) | 103.5 (b) | 106.0 (b) | 1.023 | − | 3.383 (b) | 4.758 (b) |
| 2 | (n,elastic) | 18.52 (b) | 20.91 (b) | 1.129 | − | 1.609 (b) | 3.517 (b) |
| 4 | (n,inelastic) | ( E-thr = 566.5 keV ) | 879.8 (mb) | 1.211 (b) | |||
| 16 | (n,2n) | ( E-thr = 11.30 MeV ) | 818.1 (mb) | 156.1 (μb) | |||
| 17 | (n,3n) | ( E-thr = 19.44 MeV ) | − | 10.33e-12 (b) | |||
| 22 | (n,na) | ( E-thr = 5.159 MeV ) | 921.9 (μb) | 272.5 (nb) | |||
| 28 | (n,np) | ( E-thr = 9.635 MeV ) | 8.077 (mb) | 1.623 (μb) | |||
| 32 | (n,nd) | ( E-thr = 17.76 MeV ) | − | 5.662e-15 (b) | |||
| 102 | (n,γ) | 85.02 (b) | 85.06 (b) | 1.000 | 41.32 (b) | 1.349 (mb) | 28.99 (mb) |
| 103 | (n,p) | ( E-thr = 2.209 MeV ) | 57.05 (mb) | 568.6 (μb) | |||
| 104 | (n,d) | ( E-thr = 7.381 MeV ) | 547.5 (μb) | 150.3 (nb) | |||
| 105 | (n,t) | ( E-thr = 11.42 MeV ) | 2.607 (nb) | 452.6e-12 (b) | |||
| 106 | (n,He-3) | ( E-thr = 8.805 MeV ) | 185.0e-12 (b) | 423.3e-15 (b) | |||
| 107 | (n,a) | 0.000 (b) | 0.000 (b) | − | 1.441 (mb) | 6.455 (mb) | 69.47 (μb) |
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These cross sections are calculated from JENDL-4.0 at 300K.
The background color of each cell noted a cross section means the order of the cross-section value.
The unit of cross section, (b), means barns, and SI prefixes are used as following.
(kb) → 103(b), (mb) → 10−3(b),
(μb) → 10−6(b), (nb) → 10−9(b).
MT is a number that defines a reaction type. For the relation between MT and reaction type, please see here or refer to the manual of ENDF formats.
Maxwellian Average :
where T denotes the temperature, and kB the Boltzmann constant.
The upper and lower limits of integration, EL and EU
are set to 10−5 eV and 10 eV, respectively.
Resonance Integral :
with EL = 0.5 eV and EU = 10 MeV.
U-235 Thermal Fission-Neutron Spectrum Average (Fiss. Spec. Average) :
with EL = 10−5 eV and EU = 20 MeV.
The parameters a and b are 0.988 MeV and 2.249 MeV−1, respectively.
Westcott g-factor :
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